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Uplander/Montana/Relay/Terraza TSBs and Problem Codes

31 messages,  Last post on May 09, 2009 at 3:27 PM

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What is this discussion about? Chevrolet Uplander, Pontiac Montana, Pontiac Montana SV6, Saturn Relay, Buick Terraza, Van

#28 of 31 2006 SV6 Stability / Traction Control / ABS Update from 9/2008 by clubsudz Apr 01, 2009 (9:18 am)
Sorry to take so long to post an update. Back in August of 2008 my 2006 Montana SV6 had the ABS / Traction Control / Stability Control lights on (see post #24 in this thread Aug 27, 2008). I had a Code C0131 ABS Pressure Circuit, C0136 Base Brake Pressure Sensor, a C0139 Base Brake Pressure Sensor High, a C1100 System Pressure Sensor 2 and a C1101 Sensor 2 Range. I also had a code 1225 wheel speed sensor. I replaced the Master Cylinder (which was leaking), replaced the hub & bearing assembly, the Antilock Brake Assembly. So at that time the problem was related to the ABS assembly. I also remember the mechanic getting GM parts for the cables to the sensors because the original ones and the after market ones are short and can cause problems because they are too short. Now that was back at 53,811 miles. I'm at 61,581 miles and the lights are coming back on again. They reset after a couple of restarts. I took it into an actual GM dealer the last time the lights came on but when they turned the car on the lights were off and the ABS computer had no codes. I've used OnStar and they are not finding codes in the ABS system when the lights are on so I'm beginning to think I have some sort of phantom problem. Instead of paying another hour of labor to the dealer to read no code in the computer, my plan is to (1) allow OnStar to escalate to tech support the next time I have them on the phone and (2) wait until the lights come on and stay on before taking it into a mechanic to diagnose. Replies to this message: mkauz52 (Apr 01, 2009 10:45 am)
#29 of 31 Re: 2006 SV6 Stability / Traction Control / ABS Update from 9/2008 [clubsudz] by mkauz52 Apr 01, 2009 (10:45 am)
Replying to: clubsudz (Apr 01, 2009 9:18 am) I am now at 76,000 miles and never thought I would make it this far in my vehicle. Last week while driving on the interstate at 70 miles per hour I tapped my break to kick off the cruise control and this made the wheels lock up. Although it was only momentarily it was enough to make my heart jump into my throat! I have learned you have to be ready for anything driving this van. I haven't had it back into the shop since they told me they could not fix the problem. Two of my friends have purchased the Chevy Uplander (believe me I tried to tell them it was a bad idea!) One cannot drive the vehicle over 35 mph because of the uneven wear on the tires. The tires have only gone 1/2 of the recommended mileage before they are suggested to be changed! My other friend has her van in the shop for what they told her initially was the wheel bearings being bad?! Each day she gets a call that they are keeping her van cause they cannot tell what is wrong with it. Buyer BEWARE! I am now saving to trade but be sure I am not going to the BUICK dealership again!
#30 of 31 Saturn Relay by gr8joy75 May 05, 2009 (3:48 am)
Does anyone else out there have a problem with their van not starting? We bought ours brand new and have had a problem with it not starting since the very beginning. The Saturn mechanics cannot duplicate the problem but then it does it to us 2 days after we get it back from them. Check engine light has come on three times...they've changed out the fuel pump and 2 of the 6 injectors and it still doesn't want to start every time we're in it. It does it at least once a week sometimes more than that. Needless to say we will never buy GM again! This one problem is enough to keep us away.
#31 of 31 montana sv6 problems by sergiom May 09, 2009 (3:27 pm)
i can see why gm is going under .i have a 2005 sv6 with 130000kms so far i spend $780.00 brakes 42000kms $800.00 tires 36000kms $4012.00 transmission 121000kms 190.00 rear wipermotor 80000kms and i think my engine is acting bad,a word of advise DONT BUY GM PLEASE,if someone doesnt belive me i have all the bills to prove it.when i had warrant no problems ,it finishes all this garbage starting to happen   PS: how about all the shacking and radles all over i hope this can help if you need anymore details reply please

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